2109550090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2370281}}^1$

素因数の和:2370377

約数の個数: 16

約数和(自身を含む): 3839856840

約数和(自身を除く): 1730306750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2370281, 4740562, 11851405, 23702810, 210955009, 421910018, 1054775045, 2109550090]

約数ペア:

[(1, 2109550090), (2, 1054775045), (5, 421910018), (10, 210955009), (89, 23702810), (178, 11851405), (445, 4740562), (890, 2370281)]